A tornado outbreak threatened parts of the South on Saturday , prompting forecasters to issue a rare “particularly dangerous situation” alert amid severe storms that have killed at least one person and damaged homes and a fire station, according to preliminary reports.
Millions of people were under tornado watches on Saturday in parts of Texas, Louisiana, Mississippi and Arkansas. Multiple more dangerous tornado warnings were also issued throughout Saturday. (The National Weather Service maintains a list of current tornado alerts , which change frequently as tornado threats develop and pass.)
The “particularly dangerous situation” wording is used in “rare situations when long-lived, strong and violent tornadoes are possible,” the weather service said. “Numerous” tornadoes are expected, forecasters said…